Join GRND 
A gym that knows your name.
No intimidating cliques. No getting lost in a packed room. GRND brings proper coaching, flexible training and a close-knit community under one roof.
Coached
Every class is capped at eight, so you get the attention, feedback and scaling you need.
Inclusive
Start from where you are. Every session can be adapted without losing the challenge or the fun.
Independent
A local gym with its own identity, built around functional fitness rather than affiliation or labels.
One community.
Six ways to train.
GRND WOD
Workout of the Day
Our signature class combining strength, conditioning, and functional fitness into a coach-led workout that changes daily. Designed to challenge all fitness levels, with movements and weights scaled to suit you.
GRND SWEAT
Conditioning
Get your heart pumping with a high-energy conditioning class focused on improving fitness, endurance, and stamina. Expect a mix of cardio, functional movements, and interval-style training that will leave you feeling accomplished.
GRND LIFT
Weightlifting
Build strength, improve technique, and develop confidence under the bar. This class focuses on foundational lifts, Olympic lifting, and accessory work to help you move better and lift stronger.
GRND LEGENDS
55+ & Low Impact Fitness
A welcoming class designed for those aged 55+, anyone returning to exercise, or those looking for a lower-impact, lower-intensity workout. Improve strength, mobility, balance, and confidence in a supportive environment at your own pace.
GRND TEENS
Ages 14–17
Designed for teenagers looking to build strength, confidence, and fitness through functional training. Our coaches focus on teaching proper movement, developing healthy habits, and creating a fun, supportive environment for young athletes.
GRND OPEN GYM
Train Your Way
Enjoy the freedom to complete your own training at a time that suits you. Whether you’re following a personalised programme or getting in extra practice, our coaches are on hand to offer guidance and support whenever you need it.
Put the work in. Feel at home.
GRND is the kind of place you want to stay after the final rep. A warm welcome, good coffee and coaches who care about the person behind the programme.
- A welcoming home for beginners and experienced athletes
- Coaching that builds confidence, not dependence
- Open gym freedom throughout the day
Pick your pace.
Keep your place.
Every membership is built around the same thing: good coaching, a supportive room and the freedom to make training work for you.
GRND Student
£50 per month
- Unlimited classes
- Unlimited open gym
- Valid student ID required
GRND Essential
£60 per month
- 2 classes each week
- Unlimited open gym
- Full community access
GRND Unlimited
Most freedom£80 per month
- Unlimited weekly classes
- Unlimited open gym
- Train whenever it suits you
Legends or Teens
£40 per month
- Purpose-built sessions
- Legends 55+
- Teens ages 14-17
One-to-one coaching
Focused time. Personal progress.
Ready to GRND it out?
Your first rep starts here. Tell us what you want from your training and we will help you find the right place to start.
Find GRND in Peterborough
Unit 12, Wharf Road Industrial EstatePeterborough, PE2 9PS